Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of the propeller, they use a large hollow motor, with the blades attached ...

Boeing might have dominated the jet aircraft headlines recently, but for those of us who dream of flying our own jet, help is on the way. While the 787 cruised the skies for the first time, a much ...

Watch an extreme DIY experiment where a bicycle is powered by a homemade jet engine using a potassium nitrate and sugar fuel mix. The test shows the incredible thrust, explosions, and dangerous ...